/* Option C - Vibrant: Modern, dark mode with punchy accents */
:root {
  /* Base Colors - Slate/Indigo Dark */
  --bg-app: #0f172a;
  /* Main background (Slate 900) */
  --bg-surface: #1e293b;
  /* Cards/Sidebar (Slate 800) */
  --bg-surface-hover: #334155;
  /* Hover state (Slate 700) */

  /* Borders */
  --border-color: #334155;
  /* Slate 700 */
  --border-subtle: #1e293b;
  /* Slate 800 */

  /* Text */
  --text-primary: #f1f5f9;
  /* Slate 100 */
  --text-secondary: #94a3b8;
  /* Slate 400 */
  --text-muted: #64748b;
  /* Slate 500 */

  /* Accents - Cyan & Violet */
  --accent-primary: #06b6d4;
  /* Cyan 500 */
  --accent-primary-hover: #0891b2;
  /* Cyan 600 */
  --accent-secondary: #8b5cf6;
  /* Violet 500 */
  --accent-glow: rgba(6, 182, 212, 0.3);
  /* Cyan glow */

  /* Status Colors */
  --status-success: #10b981;
  /* Emerald 500 */
  --status-warning: #f59e0b;
  /* Amber 500 */
  --status-error: #ef4444;
  /* Red 500 */
  --status-info: #3b82f6;
  /* Blue 500 */

  /* Status Backgrounds (Glassy) */
  --bg-success: rgba(16, 185, 129, 0.15);
  --bg-warning: rgba(245, 158, 11, 0.15);
  --bg-error: rgba(239, 68, 68, 0.15);
  --bg-info: rgba(59, 130, 246, 0.15);

  /* Spacing & Layout */
  --header-height: 70px;
  --sidebar-width: 260px;
  /* If we use sidebar, otherwise 0 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  /* Tailwind shadow-sm */
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 15px var(--accent-glow);
}

/* Base Reset & Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Outfit', 'Space Grotesk', system-ui, -apple-system, sans-serif;
  /* Modern font stack */
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Layout */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

/* Header */
.app-header {
  height: var(--header-height);
  background-color: rgba(15, 23, 42, 0.8);
  /* Glass effect base */
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-logo {
  height: 32px;
  width: auto;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Tenant Selector */
.tenant-selector-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tenant-selector-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.tenant-selector {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition-fast);
  min-width: 160px;
}

.tenant-selector:hover {
  border-color: var(--accent-primary);
}

.tenant-selector:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

/* API Config Toggle (Dev) */
.config-toggle {
  font-size: 0.75rem;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: underline;
}

/* Landing Page */
.landing-page {
  padding: 48px 24px;
  text-align: center;
}

.landing-hero {
  margin-bottom: 48px;
}

.landing-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing-hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.module-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.module-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.module-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-surface-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.module-card h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
  font-weight: 600;
}

.module-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
}

/* Icon Colors */
.section-mensajes .module-icon {
  color: var(--status-success);
  background: rgba(16, 185, 129, 0.1);
}

.section-cobros .module-icon {
  color: var(--status-warning);
  background: rgba(245, 158, 11, 0.1);
}

.section-juridico .module-icon {
  color: var(--status-error);
  background: rgba(239, 68, 68, 0.1);
}

.section-campanas .module-icon {
  color: var(--status-info);
  background: rgba(59, 130, 246, 0.1);
}

.section-facturacion .module-icon {
  color: var(--accent-secondary);
  background: rgba(139, 92, 246, 0.1);
}

/* New Modules */
.section-atencion .module-icon {
  color: #f472b6;
  background: rgba(244, 114, 182, 0.1);
}

/* Pink */
.section-soporte .module-icon {
  color: #fb923c;
  background: rgba(251, 146, 60, 0.1);
}

/* Orange */
.section-ventas .module-icon {
  color: #2dd4bf;
  background: rgba(45, 212, 191, 0.1);
}

.section-tenants .module-icon {
  color: #a78bfa;
  background: rgba(167, 139, 250, 0.1);
}

/* Teal */

/* Back Button */
.btn-icon {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-icon:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

/* Tabs */
.tabs-nav {
  display: flex;
  gap: 8px;
  padding: 24px 24px 0 24px;
  overflow-x: auto;
  scrollbar-width: none;
  /* Hide scrollbar Firefox */
}

.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 10px 16px;
  font-family: inherit;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

/* Main Content */
.main-content {
  padding: 24px;
  flex: 1;
}

.section-view {
  display: none;
  animation: fadeIn 0.3s ease;
}

.section-view.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Cards & Containers */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0;
  /* Reset for table cards */
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.card.padded {
  padding: 24px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Filters */
.filters-bar {
  display: flex;
  gap: 12px;
  align-items: center;
}

.filter-input,
.filter-select {
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
}

.filter-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--accent-secondary);
  box-shadow: 0 0 0 1px var(--accent-secondary);
}

/* Buttons */
.btn {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
}

.btn:hover {
  background-color: var(--border-color);
}

.btn-primary {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #0f172a;
  /* Dark text on bright button for contrast */
  font-weight: 600;
}

.btn-primary:hover {
  background-color: var(--accent-primary-hover);
  border-color: var(--accent-primary-hover);
  box-shadow: var(--shadow-glow);
}

/* Botón de reenviar compacto y estético */
.btn-resend {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--accent-primary);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 0;
  width: 28px;
  height: 28px;
  min-width: 28px;
}

.btn-resend:hover {
  background-color: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.btn-resend:active {
  transform: scale(0.95);
}

.btn-resend svg {
  display: block;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

/* Fila de filtros en tabla */
.filter-row {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
}

.filter-row th {
  padding: 8px;
  vertical-align: middle;
}

.table-filter-input,
.table-filter-select {
  width: 100%;
  padding: 4px 8px;
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.table-filter-input:focus,
.table-filter-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.table-filter-input::placeholder {
  color: var(--text-muted);
}

.table-filter-select {
  cursor: pointer;
}

/* Tabs dentro de modales */
.tabs-container {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 20px;
}

.tab-btn {
  padding: 10px 16px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9375rem;
  transition: all 0.2s;
  margin-bottom: -2px;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Form inputs - estilo similar a table-filter para consistencia */
input.form-input,
textarea.form-input,
select.form-select {
  width: 100% !important;
  padding: 8px 12px !important;
  background-color: var(--bg-surface-hover) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-primary) !important;
  font-size: 0.875rem !important;
  font-family: inherit !important;
  transition: var(--transition-fast) !important;
  box-sizing: border-box !important;
}

input.form-input:focus,
textarea.form-input:focus,
select.form-select:focus {
  outline: none !important;
  border-color: var(--accent-primary) !important;
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2) !important;
}

input.form-input::placeholder,
textarea.form-input::placeholder {
  color: var(--text-muted) !important;
}

select.form-select {
  cursor: pointer !important;
}

/* Mejoras de diseño para módulo de Cobros */
.selected-count-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.selected-count-badge span {
  color: var(--accent-primary);
  font-weight: 600;
  margin-right: 4px;
}

/* Grupo de exportación mejorado */
.export-group {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: var(--transition-fast);
}

.export-group:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 4px 8px rgba(6, 182, 212, 0.15);
}

.export-select {
  padding: 10px 14px !important;
  background: var(--bg-surface) !important;
  border: none !important;
  border-right: 1px solid var(--border-color) !important;
  border-radius: 0 !important;
  color: var(--text-primary) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  cursor: pointer !important;
  min-width: 140px !important;
  appearance: none !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 12px center !important;
  padding-right: 32px !important;
}

.export-select:focus {
  outline: none !important;
  box-shadow: none !important;
}

.export-select option {
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 8px;
}

.btn-export {
  padding: 10px 18px !important;
  border-radius: 0 !important;
  border-left: none !important;
  font-weight: 600 !important;
  white-space: nowrap !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
}

.btn-export:hover {
  transform: none !important;
}

/* Separador visual */
.control-separator {
  width: 1px;
  height: 24px;
  background: var(--border-color);
  margin: 0 4px;
}

/* Selectores de control mejorados */
.control-select {
  padding: 10px 14px !important;
  background: var(--bg-surface-hover) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-primary) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  cursor: pointer !important;
  min-width: auto !important;
  transition: var(--transition-fast) !important;
  appearance: none !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 12px center !important;
  padding-right: 36px !important;
}

.control-select:hover {
  border-color: var(--accent-primary) !important;
  background-color: var(--bg-surface) !important;
}

.control-select:focus {
  outline: none !important;
  border-color: var(--accent-primary) !important;
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2) !important;
}

/* Botón limpiar filtros mejorado */
.btn-clear-filters {
  background: var(--bg-surface-hover) !important;
  border-color: var(--border-color) !important;
  color: var(--text-secondary) !important;
  font-weight: 500 !important;
  transition: var(--transition-fast) !important;
}

.btn-clear-filters:hover {
  background: var(--bg-surface) !important;
  border-color: var(--accent-secondary) !important;
  color: var(--text-primary) !important;
}

/* Botón refresh mejorado */
.btn-refresh {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  padding: 10px 16px !important;
}

.btn-refresh span:first-child {
  font-size: 1rem;
  display: inline-block;
  transition: transform 0.3s ease;
}

.btn-refresh:hover span:first-child {
  transform: rotate(180deg);
}

/* Mejoras en filtros de tabla */
.filter-row {
  background: linear-gradient(to bottom, var(--bg-surface), var(--bg-surface-hover)) !important;
}

.filter-row th {
  padding: 10px 8px !important;
}

.table-filter-input,
.table-filter-select {
  padding: 8px 10px !important;
  background-color: var(--bg-app) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: var(--radius-sm) !important;
  font-size: 0.8125rem !important;
  transition: all var(--transition-fast) !important;
}

.table-filter-input:hover,
.table-filter-select:hover {
  border-color: var(--border-color) !important;
  background-color: var(--bg-surface) !important;
}

.table-filter-input:focus,
.table-filter-select:focus {
  border-color: var(--accent-primary) !important;
  background-color: var(--bg-surface) !important;
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.15) !important;
}

.table-filter-input::placeholder {
  color: var(--text-muted) !important;
  opacity: 0.7 !important;
}

label.form-label {
  display: block !important;
  color: var(--text-secondary) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  margin-bottom: 6px !important;
  margin-top: 0 !important;
}

textarea.form-input {
  resize: vertical !important;
  min-height: 80px !important;
}

input[type="datetime-local"].form-input {
  padding: 8px 12px !important;
}

input[type="password"].form-input {
  font-family: monospace !important;
  letter-spacing: 2px !important;
}

/* Checkboxes en tabla */
.message-checkbox,
.cobro-checkbox,
#selectAllMensajes,
#selectAllCobros {
  cursor: pointer;
  width: 18px;
  height: 18px;
  accent-color: var(--accent-primary);
}

#selectAllMensajes,
#selectAllCobros {
  margin: 0;
}

th {
  background-color: rgba(15, 23, 42, 0.5);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.875rem;
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: none;
}

tbody tr {
  transition: background-color var(--transition-fast);
}

tbody tr:hover {
  background-color: var(--bg-surface-hover);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
}

.badge-sent {
  background: var(--bg-success);
  color: var(--status-success);
}

.badge-delivered {
  background: rgba(16, 185, 129, 0.25);
  color: #34d399;
}

.badge-read {
  background: var(--bg-info);
  color: var(--status-info);
}

.badge-queued {
  background: var(--bg-warning);
  color: var(--status-warning);
}

.badge-failed {
  background: var(--bg-error);
  color: var(--status-error);
}

.badge-neutral {
  background: var(--bg-surface-hover);
  color: var(--text-secondary);
}

/* Utility */
.loading-state,
.empty-state,
.error-state {
  padding: 48px;
  text-align: center;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.empty-state h3 {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 600;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .app-header {
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
    gap: 16px;
  }

  .header-controls {
    width: 100%;
    justify-content: space-between;
  }

  .banner {
    flex-direction: column;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .filters-bar {
    width: 100%;
    flex-wrap: wrap;
  }

  .filter-input,
  .filter-select {
    flex: 1;
  }

  th,
  td {
    padding: 10px 12px;
  }
}

/* Modal Historial */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}
.modal-content {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}
.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
}
.modal-body {
  padding: 1rem 1.5rem;
  overflow-y: auto;
  flex: 1;
}
.modal-body .historial-item {
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: var(--bg-app);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  border-left: 3px solid var(--accent-primary);
}
.modal-body .historial-item.rol-bot {
  border-left-color: var(--accent-secondary);
}
.modal-body .historial-item .historial-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}